datamash(1) on Linux
The text cff06d17c3e3, as Debian 9 (Stretch) shipped it.
command-line calculations
Flags it lists
-
--field-separator -
--filler -
--full -
--group -
--header-in -
--header-out -
--headers -
--help -
--ignore-case -
--narm -
--no-strict -
--sort -
--version -
--whitespace -
--zero-terminated -
-H -
-W -
-f -
-g -
-i -
-s -
-t -
-z